Vishay Intertechnology is trading at $22.18, down 14.7%, as semiconductor shares sell off amid concerns about tighter AI data-center regulation and weaker signals for chip demand. - The broader market is also sharply lower, adding pressure to technology stocks. - Its November 4 earnings report was strong, with record revenue and expanded gross margin; the decline is not explained by an earnings miss. - Available evidence points primarily to sector and market sentiment, with no confirmed company-specific negative catalyst.